The Toshiba Surveillix HVR Series combines the best of analog and digital video into one unit. With available Internal RAID 5 HDD capabilities and field-replaceable hard disk drives, the HVR Series is designed to support IP-based cameras as well as analog cameras. The HVR offers unmatched versatility. Each system includes a built-in RS-422 adapter capable of supporting over 45 protocols as well as a CD-RW with available DVD Multi Burner.